Home / 41,828.13-62,703.66-18,120.78

Finding the Fourth Proportional to 41,828.13, 62,703.66 and 18,120.78

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Solution

The fourth proportional to 41,828.13, 62,703.66 and 18,120.78 is: 27,164.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,828.13 : 62,703.66 = 18,120.78 : x
  2. Step 2: Convert to fraction form
    41,828.13/62,703.66 = 18,120.78/x
  3. Step 3: Cross multiply
    41,828.13x = 62,703.66 × 18,120.78
  4. Step 4: Simplify right side
    41,828.13x = 1,136,239,228.05
  5. Step 5: Solve for x
    x = 1,136,239,228.05/41,828.13
  6. Step 6: Final answer
    x = 27,164.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.